. 















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fetoR ' 





^01 



Ww 



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4SI 



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Fig. 1. Euryale ferox Salisb in stagnant water near Harbin. 



[.see ^?«^i? 81 ] 



Fig. 1. JVw£ of Juglans mamchurica Max. 



[see page 7S'\ 



